patch 7.4.1310
Problem:    Jobs don't open a channel.
Solution:   Create pipes and add them to the channel.  Add ch_logfile().
            Only Unix for now.
diff --git a/src/version.c b/src/version.c
index b833347..9cd54a3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -748,6 +748,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1310,
+/**/
     1309,
 /**/
     1308,